CPPLapack Code

The data storage for dgsmatrix and dssmatrix was modified.

*update contrib/Subspace

a little modification of dssmatrix

*to_dsymatrix etc. were added.

*implicit cast constructors (constructor from dgbmatrix to dgematrix, from zhematrix to zgematrix, and so on) were deleted.
*to_dgematrix and to_zgematrix member functions were added.

*zgsmatrix and zhsmatrix were added.

*halfway development of dssmatrix

*a few bug fix for copy constructor of smart temporary classes
*some modification of dssmatrix (not yet included in cpplapack.h)

dssmatrix was renamed to dgsmatrix.
(zgsmatrix is under construction.)

The trunk cpplapack source code was added.